RAVILA, P. † Y. H. Toivonen. Finnisch-Ugrische Forschungen, [S. l.], v. 1956, n. 32, p. 122–125, 1956. DOI: 10.33339/fuf.112702. Disponível em: https://journal.fi/fuf/article/view/112702. Acesso em: 16 aug. 2024.